Strong G240 ἀλλήλων allēlōn · one another

Revelation

1. Revelation 6:4
   And there went out another horse that was red: and power was given to him that sat thereon to take peace from the earth, and that they should kill one another: and there was given unto him a great sword.
2. Revelation 11:10
   And they that dwell upon the earth shall rejoice over them, and make merry, and shall send gifts one to another; because these two prophets tormented them that dwelt on the earth.